Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Hono vs Express vs Fastify: Lightweight Backend Frameworks 2026
Express dominated for 14 years. Fastify proved you could have validation and speed. Now Hono runs everywhere from Cloudflare Workers to Bun. Here's which one actually fits your project.
Technology · May 1, 2026 · 14 min read
Pinecone vs Weaviate vs Qdrant: Vector Databases for AI Apps 2026
Three vector databases dominate the AI stack in 2026. Each one makes a different tradeoff between simplicity, performance, and cost. Here is how to pick the right one for your use case.
Technology · May 1, 2026 · 15 min read
OpenTelemetry for Startups: Full-Stack Observability Guide 2026
Datadog will happily charge your 10-person startup $24K a year for observability. OpenTelemetry gives you the same telemetry data with zero vendor lock-in and backends that cost a fraction of the price.
Technology · May 1, 2026 · 14 min read
E2B vs Modal vs Replicate: AI Compute Platforms Compared 2026
Three platforms, three different philosophies on how to run AI workloads. E2B gives you sandboxed code execution for agents. Modal gives you Python-native serverless GPUs. Replicate gives you one-click model hosting. Here is the honest breakdown.
Technology · May 1, 2026 · 14 min read
Resend vs Postmark vs SendGrid: Transactional Email for SaaS
Transactional email deliverability directly impacts user onboarding and retention. Resend's React-based templates have created a new developer experience paradigm challenging SendGrid and Postmark. Here is how they compare.
Technology · Apr 30, 2026 · 12 min read
Vapi vs Retell AI vs Bland: Voice Agent Platforms Compared 2026
Voice AI platforms are the fastest-growing developer tool category in 2026. The choice between Vapi, Retell AI, and Bland determines your cost structure and voice quality for production agents. Here is a direct comparison.
Technology · Apr 29, 2026 · 13 min read
Drizzle vs Prisma vs TypeORM: Best ORM for Startups in 2026
ORM choice directly impacts query performance, migration workflow, and developer velocity for the life of your project. Drizzle's SQL-first approach has gained rapid adoption as an alternative to Prisma's abstraction-heavy model. Here is how they compare.
Technology · Apr 29, 2026 · 13 min read
LangSmith vs Braintrust vs Arize: LLM Observability Compared
LLM observability is the critical missing piece between prototype and production AI apps. The right platform for tracing, evaluation, and cost tracking determines whether your team can debug AI failures at scale.
Technology · Apr 29, 2026 · 13 min read
MCP vs A2A: AI Agent Communication Protocols Explained 2026
MCP has 97M downloads and A2A has 150+ enterprise partners. The dual-protocol architecture where MCP handles tools and A2A handles agent coordination is the production standard every AI startup must implement in 2026.
Technology · Apr 28, 2026 · 14 min read
Clerk vs Auth0 vs Stytch: Authentication for Startups 2026
Authentication is the first infrastructure decision every SaaS startup makes. Clerk has disrupted the Auth0-dominated market while Stytch targets enterprise passwordless use cases. Here is how they actually compare.
Technology · Apr 28, 2026 · 13 min read
Unstructured vs LlamaParse vs Docling: AI Document Parsing 2026
Document parsing is the bottleneck nobody talks about in AI pipelines. We tested Unstructured, LlamaParse, and Docling head-to-head so you can skip the trial-and-error.
Technology · Apr 27, 2026 · 14 min read
Tinybird vs Materialize vs StarTree: Real-Time Analytics 2026
A hands-on comparison of Tinybird, Materialize, and StarTree for real-time analytics workloads, with honest opinions on cost, latency, and when each platform actually wins.
Technology · Apr 27, 2026 · 14 min read